2020 census As of the
2020 census, Oak Leaf had a population of 1,552, with 520 households and 514 families residing in the city. The median age was 45.9 years. The age distribution showed 22.7% of residents under the age of 18 and 21.6% 65 years of age or older, while for every 100 females there were 104.7 males and for every 100 females age 18 and over there were 97.4 males age 18 and over. There were 520 households in Oak Leaf, of which 34.8% had children under the age of 18 living in them. Of all households, 71.3% were married-couple households, 9.8% were households with a male householder and no spouse or partner present, and 15.8% were households with a female householder and no spouse or partner present. About 10.1% of all households were made up of individuals and 5.0% had someone living alone who was 65 years of age or older. There were 546 housing units, of which 4.8% were vacant. The homeowner vacancy rate was 0.8% and the rental vacancy rate was 7.7%. ==Education==